Facebook.com reached a milestone of sorts last week, passing Google.com for an entire week.

According to Hitwise, Facebook topped Google for the week of March 13. Facebook had previously topped Google, but on individual days: Christmas Eve, Christmas Day, and New Year's Day, as well as the weekend of March 6 and 7.

The market share of visits to Facebook.com increased 185 percent last week as compared to the same week in 2009, while visits to Google.com increased 9 percent during the same time frame, Hitwise wrote in a blog post authored by Heather Dougherty, the site's director of research.

However, the use of "Facebook.com" and "Google.com" is significant; the report measured visits to the individual sites' home pages, and not other properties, like Google News, according to Search Engine Land.

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